产品
编 号:F456215
分子式:C15H9FN2O3
分子量:284.24
产品类型
规格
价格
是否有货
10mM*1mL in DMSO
询价
询价
1mg
125
In-stock
5mg
250
In-stock
10mg
400
In-stock
50mg
1200
In-stock
100mg
1920
In-stock
200mg
3360
In-stock
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生物活性:
Ataluren (PTC124) is an orally available CFTR-G542X nonsense allele inhibitor.

体内研究:
Ataluren (PTC124) activity, optimized using nonsense-containing reporters, promotes dystrophin production in primary muscle cells from humans and mdx mice expressing dystrophin nonsense alleles, and rescues striated muscle function in mdx mice within 2-8 weeks of drug exposure. Ataluren (PTC124) is well tolerated in animals at plasma exposures substantially in excess of those required for nonsense suppression. To induce nonsense suppression and increase PPT1 enzyme activity, the read-through drug Ataluren (PTC124) is given via intraperitoneal (i.p.) injection to male Cln1R151X mice at 2 months of age. These treatments are performed four times daily for 2 consecutive days in a proof-of-principle study. Used at 10 mg/kg, Ataluren (PTC124) increased PPT1 enzyme activity (P=0.0001 by unpaired t-test) and protein level (P=0.0014 by unpaired t-test) in the liver, but did not increase PPT1 enzyme activity or protein level in the cortex. This tissue-specific effect is likely due to the inability of Ataluren (PTC124) to breach the blood brain barrier (BBB), which decreased the bioavailability of Ataluren (PTC124) within the brain, and prevented Ataluren (PTC124) from reaching an efficacious concentration within the therapeutic window.

体外研究:
This premature “stop” signal (a class I mutation) prevents the cell from producing a full-length CFTR protein. Ataluren (PTC124)-a new chemical entity that selectively induces ribosomal readthrough of premature but not normal termination codons.
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